SAN FRANCISCO — The Associated Press has signed a licensing deal with Yahoo that gives the news cooperative a steady stream of revenue at a time less money is flowing in from newspapers and broadcasters.

The announcement by both companies Monday didn’t disclose the financial terms of the agreement.

The AP says it is still negotiating to renew its online licensing agreements with two other companies with far deeper pockets, Google and Microsoft. Google stopped posting fresh AP content on its Web site in late December.

Stung by the AP’s first downturn in revenue in years, AP’s management has said the cooperative needs to make more money from the online rights to its stories, photographs and video as more people flock to the Web for information and entertainment.

It’s unclear whether the AP achieved its financial objectives in the Yahoo deal.

Yahoo, based in Sunnyvale, described the AP as an important part of its efforts to keep its nearly 600 million worldwide users informed. “We look forward to continuing our long-standing partnership with AP for many years to come,” the company said in a statement.

The duration of the new contract wasn’t disclosed. Yahoo has been posting AP content on its site since 1998. Its Web site also relies on other services, including AP rival Reuters, as well as reporters that it employs.

The formula has worked well for Yahoo, even as it has struggled in other key areas, such as Internet search and social networking. Yahoo pulls in the biggest U.S. Internet audiences in news, sports and finance, according to research firm comScore.

The not-for-profit AP finds itself at a critical juncture in its 164-year history because the Internet’s popularity is draining advertising revenue from U.S. print publications and broadcasters, which have been the AP’s traditional funding sources and still account for about 40 percent of the cooperative’s revenue combined.

The ad slump’s ripple effects have prompted the AP to reduce its fees from those outlets and cut its payroll costs by about 10 percent. The concessions to newspapers and broadcasters cost the AP $30 million in revenue last year and a projected $45 million this year. The AP’s 2009 financial statement, which hasn’t been released yet, is expected to show a revenue decline of about 6 percent to roughly $700 million.

Besides pumping Internet companies for more money, the AP also wants more cooperation in its effort to ensure its material isn’t appearing on unauthorized sites. As part of its crackdown, the AP is testing a system that tracks where its stories are being read. Yahoo pledged to enforce “the strictest standards” to protect the AP’s content.

Leading up to the Yahoo agreement, AP CEO Tom Curley said the cooperative was considering whether to separate its online content into different tiers so exclusive stories might cost more than breaking news reports widely available elsewhere on the Web.

The Yahoo deal doesn’t include such a tiered provision, according to a person familiar with the agreement, speaking on condition of anonymity because of a nondisclosure clause in the new contract.

In a statement, New York-based AP said, “We are pleased Yahoo and AP will continue (this) valued relationship.”

Yahoo also has formed a business bond with the U.S. newspapers that own the AP. More than 800 U.S. newspapers have joined forces with Yahoo to sell more advertising on their Web sites.

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